She had some little Dove chocolates in her stocking and was eating some when she commented on the name. My explanation of what brand names are met with the aforementioned observation that they came from Santa.
She came up with the idea that Santa buys candy, but to counter the inevitable follow-up question of where he gets the money for that, I speculated that candy companies give Santa products because he's essentially the world's best distributor of free samples.
the one bit of santa lore I remember from my childhood is always burning our wish lists in the fireplace bc the smoke would go all the way to the north pole and santa would catch the smoke and turn it back into our letters